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Gemini 3.1 Pro vs Kimi K3
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| Attribute | Gemini 3.1 Pro | Kimi K3 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 155 | 158 |
| Coding | 56 | 97 |
| Math | 70 | 82 |
| Reasoning & Knowledge | 90 | 73 |
| Agentic & Tools | 77 | 80 |
| Specifications | ||
| Developer | Google DeepMind | Moonshot |
| Family | Gemini | Kimi |
| Released | Feb 19, 2026 | Jul 16, 2026 |
| Parameters | — | 2.8T |
| Availability | API access | Open weights (non-commercial) |
| Context window | — | 1M |
| Price — $/M input | — | $2.10 |
| Price — $/M output | — | $10.95 |
| Inputs | — | text, image, video |
| Outputs | — | text |
| Benchmarks | ||
| AIME 2024/2025 | 96% | 97% |
| APEX | 34% | 39% |
| ARC-AGI | 98% | 95% |
| ARC-AGI-2 | 77% | 60% |
| FrontierMath | 37% | — |
| FrontierMath Tier 4 | 17% | — |
| GPQA Diamond | 94% | 93% |
| GSO (code optimization) | 23% | — |
| Humanity's Last Exam | 46% | 47% |
| METR task horizon | 6.4 h | — |
| SimpleBench | 80% | 61% |
| SimpleQA Verified | 74% | 51% |
| SWE-bench Verified | 76% | — |
| Terminal-Bench | 80% | — |
| WebDev Arena | 1446 | 1674 |
| WeirdML | 72% | 83% |
| SciCode | — | 60% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.